Cabin Features; Emergency Locator Transmitter (Elt); Cabin Fire Extinguisher - Cessna 172S Nav III Information Manual

— CESSNA SECTION 7
MODEL 172S NAV III AIRPLANE AND SYSTEMS DESCRIPTION
CABIN FEATURES
EMERGENCY LOCATOR TRANSMITTER (ELT)
A remote switch/annunciator is installed on the top center location of
the right front passenger instrument panel for control of the ELT
from the flight crew station. The annunciator, which is in the center
of the rocker switch, illuminates when the ELT transmitter is
transmitting. The ELT emits an omni-directional signal on the
international distress frequencies of 121.5 MHz and 243.0 MHz.
General aviation and commercial aircraft, the FAA and CAP monitor
121.5 MHz, and 243.0 MHz is monitored by the military. For a basic
overview of the ELT, refer to the Section 9, Supplement 1. I
CABIN FIRE EXTINGUISHER
A portable Halon 1211 (Bromochlorodifluoromethane) fire
_ extinguisher is installed in a holder on the floorboard between the
front seats to be accessible in case of fire. The extinguisher is
— classified 5B:C by Underwriters Laboratories.
The extinguisher should be checked prior to each flight to ensure
that the pressure of the contents, as indicated by the gage at the top
of the extinguisher, is within the green arc (approximately 125 psi)
and the operating lever lock pin is securely in place.
To operate the fire extinguisher:
1. Loosen retaining clamp(s) and remove extinguisher from
bracket.
2. Hold extinguisher upright, pull operating ring pin, and press
lever while directing the liquid at the base of the fire at the
near edge. Progress toward the back of the fire by moving
the nozzle rapidly with a side to side sweeping motion.
WARNING
VENTILATE THE CABIN PROMPTLY AFTER
SUCCESSFULLY EXTINGUISHING THE FIRE TO
REDUCE THE GASES PRODUCED BY THERMAL
DECOMPOSITION.
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172SPHAUS-03 U.S. 7-71